This is the 744th most frequent Estonian word.
palli
The Estonian word "palli" means "ball" (genitive or partitive form of "pall").
Here, 'palli' is in the partitive case, often used to denote the object of an action.
Kas sa tõid palli mängu jaoks?
Did you bring the ball for the game?
In this sentence, 'palli' is in the genitive case, indicating possession of the red ball.
Tal on punane palli.
He has a red ball.
In this context, 'palli' is used to indicate the object with which the action (playing) is performed.